Electrical computers and digital processing systems: processing – Processing architecture – Superscalar
Patent
1999-06-23
2000-03-14
Pan, Daniel H.
Electrical computers and digital processing systems: processing
Processing architecture
Superscalar
712 3, 712 42, 712212, G06F 938, G06F 930, G06F 934
Patent
active
060386541
ABSTRACT:
A high-performance, superscalar-based computer system with out-of-order instruction execution for enhanced resource utilization and performance throughput. The computer system fetches a plurality of fixed length instructions with a specified, sequential program order (in-order). The computer system includes an instruction execution unit including a register file, a plurality of functional units, and an instruction control unit for examining the instructions and scheduling the instructions for out-of-order execution by the functional units. The register file includes a set of temporary data registers that are utilized by the instruction execution control unit to receive data results generated by the functional units. The data results of each executed instruction are stored in the temporary data registers until all prior instructions have been executed, thereby retiring the executed instructions in-order.
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Pleszkun et al.,
Garg Sanjiv
Hagiwara Yasuaki
Lau Te-Li
Lentz Derek J.
Miyayama Yoshiyuki
Pan Daniel H.
Seiko Epson Corporation
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